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Yoshihiko Kondo

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  • Shimotsuga-gun, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Alkaline battery separator, process for production thereof and alka...
    • Patent number 8,486,554
    • Issue date Jul 16, 2013
    • Japan Vilene Company, Ltd.
    • Yasuhiro Ito
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Battery separator and battery comprising same
    • Patent number 7,923,143
    • Issue date Apr 12, 2011
    • Japan Vilene Company, Ltd.
    • Masanao Tanaka
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Battery separator
    • Patent number 7,402,539
    • Issue date Jul 22, 2008
    • Japan Vilene Co., Ltd.
    • Toshiaki Takase
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Battery separator
    • Patent number 6,586,137
    • Issue date Jul 1, 2003
    • Japan Vilene Company, Ltd.
    • Masanao Tanaka
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Battery separator and a battery
    • Patent number 5,290,645
    • Issue date Mar 1, 1994
    • Japan Vilene Co., Ltd.
    • Masanao Tanaka
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents